A single gene could be inserted into a plant's genome, enabling specific traits to be expressed easily. Scientists have identified genes for two enzymes needed to make pro-vitamin A. One of these genes comes from corn.
Answer:
organ systems
Explanation:
cells combine to form tissues, tissues combine to form organs, and organs combine to form organ systems such as the digestive system.
#1 water
#2 protein
#3 carbohydrates
#4 animals
Option B. A man pushes a couch across the room is the answer.
False unlike the outer core the inner core is made out of mostly solid because it contains iron